1341-68-0 6826-44-4 95660-17-6 Benzenesulfonic acid, 4,4'-(2,3-dihydro-2-oxo-1H-imidazole-4,5-diyl)bis-, disodium salt Disodium p,p'-(2,3-dihydro-2-oxo-1H-imidazole-4,5-diyl)bis(benzenesulphonate) EINECS 229-901-9